Answer:
iron
Your water might be affected by iron, which is a commonly-occurring constituent of drinking water. Iron tends to add a rusty, reddish-brown (or sometimes yellow) color to water. If the color is more black than red, your water might contain a combination of iron and manganese.
Many admins set their firewalls to drop echo-request packets to prevent their networks from being mapped via "Ping Sweeps".
A remote possibility is that there's too many hops between the source and target and the packet's TTL expires.
Umm okay...
The density of water is 1.0 g/cm^3
Which will float in water
A.) Ice (Density = 0.92 g/cm^3) Float or sink
B.) Wood (Density = 0.45 g/cm^3) Float or sink
C.) Bone (Density = 1.7 g/cm^3) Float or sink
If you help answer this it will be much appreciated thank you
Enter would create a new line, thus allowing you to enter a paragraph, on some applications you can use "Shift+Enter" if it is an IM application like Skype.